Heat shrinkable insulation tube

Heat shrinkable insulation tube has advantage ofweather-resistance,aging-resistnce,tracing-resistance andantiflaming.As the insulation tube of cabe outdoot,indoor terminal under 35KV.This product not only have good temperatur and dirt resistance,but also have good machinery strength and high-voltage rated voltage.

Product specification

Sort/Specification Before shrink After shrink
intermal diameter wall thickness ± 30% intermal diameter wall thickness
RSWT-30/11 ≥28 1.3 ≤11 2.7±0.25
RSWT-35/13 ≥33 1.3 ≤14 2.8±0.25
RSWT-40/15 ≥38 1.3 ≤18 3.0±0.4
RSWT-45/17 ≥43 1.6 ≤18 3.0±0.4

RSWT-50/22

RSWT-60/22

≥43

≥48

1.6

1.4

≤23 3.0±0.4
RSWT-80/27 58 1.6 ≤30 3.3±0.4

RSWT-100/37

RSWT-120/37

≥74

≥118

1.8

1.4

≤40 3.7±0.4
RSWT-140/49 ≥138 2.0 ≤55 5.0±0.4
RSWT-200/66 ≥198 2.0 ≤70 6.0±0.4

Product techniacal index

Order No. Content OI Index
1 Hardness 1A class 3.5 class ≥90
2 Tensile strength ≥8.0
3 Break extension rate KV/mm ≥300
4

120℃ Heat aging 120℃168h 168

 

k1>0.8
k2>0.7

5 Volume resisitance xoefficient Ω.com ≥1014
6 Disruptive strengrth % ≥20
7 Shrinkage temperarure Mpa 120-140
8 Voltage class Shao ≥3.5
9 Oxygen index Unit ≥28

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